<style>
*{margin:0; padding:0;}
.sy{width:auto; max-width:640px;}
.sy button{margin:0 auto; width:100%; height: 50px;}
</style>
<script type='text/javascript' src="js/about.js"></script>
<div class="sy" id="about">
  <button id="dropUserToPerson" onclick="$N.databaseSet.dropTable('UserToPerson');"> Drop UserToPerson </button>
  <button id="dropPersonProfile" onclick="$N.databaseSet.dropTable('PersonProfile');">Drop PersonProfile</button>
  <button id="dropHealthInputData" onclick="$N.databaseSet.dropTable('HealthInputData');">Drop HealthInputDataTable</button>
</div>

<footer id="homefooter">
    <a href='#person_new' id="newpersonlink" class='icon info'>添加</a>
    <a href='#person_del' id="delpersonlink" class='icon info'>删除</a>
</footer>